bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && bVer >= 3) || 
	(bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
else br = "n2";

if (br== "n3") { 
	abouton = new Image();
	abouton.src = "/img/nav-about-on.gif";
	serviceson = new Image();
	serviceson.src = "/img/nav-services-on.gif";
	planningon = new Image();
	planningon.src = "/img/nav-planning-on.gif";
	eventson = new Image();
	eventson.src = "/img/nav-events-on.gif";
	teamon = new Image();
	teamon.src = "/img/nav-team-on.gif";
	resourceson = new Image();
	resourceson.src = "/img/nav-resources-on.gif";
	contacton = new Image();
	contacton.src = "/img/nav-contact-on.gif";

	aboutoff = new Image();
	aboutoff.src = "/img/nav-about.gif";
	servicesoff = new Image();
	servicesoff.src = "/img/nav-services.gif";
	planningoff = new Image();
	planningoff.src = "/img/nav-planning.gif";
	eventsoff = new Image();
	eventsoff.src = "/img/nav-events.gif";
	teamoff = new Image();
	teamoff.src = "/img/nav-team.gif";
	resourcesoff = new Image();
	resourcesoff.src = "/img/nav-resources.gif";
	contactoff = new Image();
	contactoff.src = "/img/nav-contact.gif";
}
function imgAct(imgName) {
	if (br == "n3") {
		document[imgName].src = eval(imgName + "on.src");
	}
}
function imgInact(imgName) {
	if (br == "n3") {
		document[imgName].src = eval(imgName + "off.src");
	}
}